This is an example of a algorithm.

1. AlgorithmName:Calculationof Overdue_Amount
Purpose:tocalculate whichbooksare overdue
Start
FirstName,LastName,School,StudentID,BookTitle,SchoolN,RentalCategory:String
Overdue,OverdueAmount:array[1..50] of integer
REA,FLA,BRA,CRA,HAS,Student,DateRented,date,TotalAmount,Expenditure:integer
ReqDateIn,DateReturned:array[1..3] of integer
OverdueFee=10
Write(‘Enterfirstname of student’)
Read(FirstName)
Write(‘Enterthe lastname of the student’)
Read(LastName)
Write(‘Enterschool thatthe childattends’)
Read(School)
Write(‘Enterthe firstthree lettersof the school thatthe studentattends’)
Read(SchoolN)
Write(‘Entertitle of book’)
Read(BookTitle)
Read(‘Enterrental Categoryinfull.egResource’)
Read(RentalCategory)
Write(‘Enterdate returnedinformddmmyyyy’)
Write(‘Enterday’)
Read(DateReturned[1])

2. Write(‘Enterthe month’)
Read(DateReturned[2])
Write(‘Enterthe year’)
Read(DateReturned[3])
Write(‘Enterthe date thatthe bookshouldhave beenreturned’)
Write(‘Enterthe day’)
Read(ReqDateIn[1])
Write(‘Enterthe month’)
Read(ReqDateIn[2])
Write(‘Enterthe year’)
Read(ReqDateIn[3])
Write(‘Enterthe date bookwasrented’)
Read(‘DateRented’)
Write(‘Enterstudentid’)
Read(StudentID)
Write(‘Enterthe expenditureforthe library’)
Read(expenditure)
OverdueAmount[Student]=DateReturned[2] - ReqDateIn
If school= ‘FLA’then
FLA=OverdueAmount
ELSE
IF SchoolN =‘BRA’ then

3. BRA=OverdueAmount
ELSE
IF SchoolN=’CRA’then
CRA=OverdueAmount
IFSchoolN=’HAS’then
HAS=OverdueAmount
If SchoolN=’REA’then
REA=OverdueAmount
Endif
If RentalCategory =’Resource’ANDOverdueAmount[student]>5then
Write(‘Receipt’)
Write(‘Name:‘FirstName,LastName)
Write(‘School:‘School)
Write(‘Date:‘date)
Write(‘BookTitle:‘BookTitle)
Write(‘No.of DaysOverdue:‘OverdueDays)
Write(‘Total Cost:‘OverdueAmount)
ELSE
If RentalCategory=’Resource’ANDOverdueAmount[student]=<5then
Write(‘The bookisnotOverdue’)
ELSE
If RentalCategory=’Reference’ANDOverdueAmount[student]>5then
Write(‘Receipt’)
Write(‘Name:‘FirstName,LastName)

4. Write(‘School:‘School)
Write(‘Date:‘date)
Write(‘BookTitle:‘BookTitle)
Write(‘No.ofDaysOverdue: ‘OverdueDays)
Write(‘Total Cost:‘OverdueAmount)
ELSE
If RentalCategory=’Reference’ANDOverdueAmount[Student]<=10then
Write(‘The bookisnotOverdue’)
Endif
If expenditure >LibraryIncome then
Write(‘The libraryhasmade aprofit’)
ELSE
If expenditure>LibraryIncome then
Write(‘The libraryisata loss’)
Endif
Stop.